export function changeAge(data) {
  // 取年的后两位数
  let year = new Date(data).getFullYear();
  let f = Math.floor((year % 100) / 10);
  let s = Math.floor(year % 10);
  let show = '';
  if (s >= 5) {
    show = '' + f + '5' + '后';
  } else {
    show = '' + f + '0' + '后';
  }
  return show;
}
